crgbJsonChannel()

optional< i64 > fl::anonymous_namespace{crgb_json.cpp.hpp}::crgbJsonChannel

(

const json &

value

)

Definition at line 7 of file crgb_json.cpp.hpp.

                                                              {
    if (!value.is_int() || value.is_bool()) {
        return fl::nullopt;
    }
    const optional<i64> channel = value.as<i64>();
    if (!channel || *channel < 0 || *channel > 255) {
        return fl::nullopt;
    }
    return channel;
}

References crgbJsonChannel(), fl::FL_NO_EXCEPT, fl::nullopt, and fl::type_rank< T >::value.

Referenced by crgbJsonChannel(), and crgbJsonPixel().

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